A running shoe that transitions from road to trail seamlessly is the FLUIDFLEX X.S.R. Made for a wide variety of surfaces, this pair is exceptionally light, fast and flexible with stability and support while running. The supreme cushioning ensures that the foot has a proper landing cycle, thus making you feel good while running. The mesh, combined with the bootie construction, gives the shoe a second-skin-like feel. The pure Fluid Foam midsole with deep flex grooves provides a soft, resilient and flexible ride during even the longest runs.